2997722785 has 8 divisors (see below), whose sum is σ = 3713308416. Its totient is φ = 2320817520.

The previous prime is 2997722773. The next prime is 2997722801. The reversal of 2997722785 is 5872277992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2997722785 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9669919 + ... + 9670228.

It is an arithmetic number, because the mean of its divisors is an integer number (464163552).

Almost surely, 2^2997722785 is an apocalyptic number.

It is an amenable number.

2997722785 is a deficient number, since it is larger than the sum of its proper divisors (715585631).

2997722785 is a wasteful number, since it uses less digits than its factorization.

2997722785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19340183.

The product of its digits is 8890560, while the sum is 58.

The square root of 2997722785 is about 54751.4637703870. The cubic root of 2997722785 is about 1441.8845543390.

The spelling of 2997722785 in words is "two billion, nine hundred ninety-seven million, seven hundred twenty-two thousand, seven hundred eighty-five".